FileArchive.cpp

#include "FileArchive.h"
#include <filesystem>
#include "ArchiveExtractor.h"
#include "MiscInfoFile.h"
#include "Logger.h"
#include "StopWatch.h"
#include "fastmove.h"
#include <system_error>
#include <cstdio>
#include <string>
#include <memory>
 
using namespace Utils;
using namespace std::filesystem;
 
namespace Odb::Lib::FileModel::Design
{
    FileArchive::FileArchive()      
        : m_filePath()
    {           
    }
 
    FileArchive::FileArchive(const std::string& path)
        : m_filePath(path)
    {
    }
 
    FileArchive::~FileArchive()
    {
        m_stepsByName.clear();
        m_symbolsDirectoriesByName.clear();
    }   
 
    std::string FileArchive::GetRootDir() const
    {
        return m_rootDir;
    }
 
    std::string FileArchive::GetProductName() const
    {
        return m_productName;
    }
 
    std::string FileArchive::GetFilePath() const
    {
        return m_filePath;
    }
 
    std::string FileArchive::GetFilename() const
    {
        //return m_filename;
        return path(m_filePath).filename().string();
    }
 
    const StepDirectory::StringMap& FileArchive::GetStepsByName() const
    { 
        return m_stepsByName;
    }
 
    const SymbolsDirectory::StringMap& FileArchive::GetSymbolsDirectoriesByName() const
    {
        return m_symbolsDirectoriesByName;
    }
 
    bool FileArchive::ParseFileModel()
    {
        //try
        {
            StopWatch timer(true);
 
            if (!exists(m_filePath)) return false;      
        
            if (is_regular_file(m_filePath))
            {
                path extractedPath;
                if (!ExtractDesignArchive(m_filePath, extractedPath))
                {
                    logerror("failed to extract archive: (" + m_filePath + ")");
                    return false;
                }
 
                m_rootDir = findRootDir(extractedPath);
            }           
        
            if (is_directory(m_rootDir))
            {
                loginfo("Parsing... ");
 
                if (ParseDesignDirectory(m_rootDir))
                {
                    timer.stop();                   
                    auto s = timer.getElapsedSecondsString();
                    loginfo("Successfully parsed. (" + s + "s)");
 
                    return true;
                }
                else
                {
                    logerror("Parsing failed.");
                    throw std::runtime_error("Parsing failed.");
                }
            }
            else
            {
                logerror("Failed to find root directory");
            }
        }
        //catch (std::exception& e)
        //{
        //  logexception(e);
        //  throw e;
        //}
 
        return false;
    }
 
    bool FileArchive::SaveFileModel(const path& directory)
    {
        return SaveFileModel(directory, m_productName); 
    }
 
    bool FileArchive::SaveFileModel(const path& directory, const std::string& archiveName)
    {
        // create directory in /tmp
        // write dir structure and files to it
        // gzip with archiveName
        // move archive to directory
 
        char szTmpNameBuff[L_tmpnam] = { 0 };
        if (nullptr == std::tmpnam(szTmpNameBuff)) return false;
        
        auto tempPath = temp_directory_path() / szTmpNameBuff;
        if (!create_directory(tempPath)) return false;
 
        auto rootPath = tempPath / archiveName;
        if (!create_directory(rootPath)) return false;
        if (!Save(rootPath)) return false;
 
        // compress the written file structure
        std::string createdArchivePath;
        if (! Utils::ArchiveExtractor::CompressDir(rootPath.string(), tempPath.string(), archiveName, createdArchivePath)) return false;
        if (createdArchivePath.empty()) return false;
 
        // move the compressed file to the requested save directory
        path archiveFilename = path(createdArchivePath).filename();
        path destPath = directory / archiveFilename;
        std::error_code ec;
        Utils::fastmove_file(createdArchivePath, destPath, true, ec);
        if (ec.value() != 0) return false;      
 
        return true;
    }   
 
    bool FileArchive::Save(const path& directory)
    {
        // MiscInfoFile
        auto miscPath = directory / "misc";
        if (!create_directory(miscPath)) return false;
 
        std::ofstream ofs1(miscPath / "info", std::ios::out);
        if (!m_miscInfoFile.Save(ofs1)) return false;
        ofs1.close();
 
        // MiscAttrFile
        std::ofstream ofs2(miscPath / "sysattr");
        if (!m_miscAttrListFile.Save(ofs2)) return false;
        ofs2.close();
 
        // StandardFontsFile
        auto fontsPath = directory / "fonts";
        if (!create_directory(fontsPath)) return false;
        std::ofstream ofs3(fontsPath / "standard");
        if (!m_standardFontsFile.Save(ofs3)) return false;
        ofs3.close();
 
        // MatrixFile       
        auto matrixPath = directory / "matrix";
        if (!create_directory(matrixPath)) return false;
        std::ofstream ofs4(matrixPath / "matrix");
        if (!m_matrixFile.Save(ofs4)) return false;
        ofs4.close();
 
        // Steps
        const auto stepsDirectory = directory / "steps";    
        if (!create_directory(stepsDirectory)) return false;
        for (auto& kvStepDirectory : m_stepsByName)
        {
            if (!kvStepDirectory.second->Save(stepsDirectory)) return false;
        }
 
        // Symbols
        const auto symbolsDirectory = directory / "symbols";
        if (!create_directory(symbolsDirectory)) return false;
        for (auto& kvSymbolsDirectory : m_symbolsDirectoriesByName)
        {
            if (!kvSymbolsDirectory.second->Save(symbolsDirectory)) return false;
        }
 
        return true;
    }
 
    bool FileArchive::ExtractDesignArchive(const path& archivePath, path& extractedPath)
    {
        loginfo("Extracting... ");
 
        if (!Utils::ArchiveExtractor::IsArchiveTypeSupported(archivePath))
        {
            logerror("Unsupported archive type: (" + archivePath.string() + ")");
            return false;           
        }
 
        Utils::ArchiveExtractor extractor(archivePath.string());
        if (!extractor.Extract()) return false;
 
        auto extracted = path(extractor.GetExtractionDirectory());
        if (!exists(extracted)) return false;
 
        extractedPath = extracted;
 
        loginfo("Successfully extracted.");
 
        return true;
                
    }
 
    /*static*/ std::string FileArchive::findRootDir(const path& extractedPath)
    {
        if (pathContainsTopLevelDesignDirs(extractedPath))
        {
            return extractedPath.string();
        }
        else
        {
            for (const auto& p : directory_iterator(extractedPath))
            {
                if (is_directory(p))
                {
                    if (pathContainsTopLevelDesignDirs(p.path()))
                    {
                        return p.path().string();
                    }
                }
            }
 
            return "";
        }
    }
 
    /*static*/ bool FileArchive::pathContainsTopLevelDesignDirs(const path& path)
    {
        for (const auto& topLevelRootDirName : TOPLEVEL_DESIGN_DIR_NAMES)
        {
            auto rootLevelDirPath = path / topLevelRootDirName;
            if (!exists(rootLevelDirPath)) return false;
        }
        return true;
    }
 
    std::unique_ptr<Protobuf::FileArchive> FileArchive::to_protobuf() const
    {
        std::unique_ptr<Protobuf::FileArchive> pFileArchiveMessage(new Protobuf::FileArchive);
        pFileArchiveMessage->set_productname(m_productName);
        pFileArchiveMessage->set_filename(m_filename);
        //pFileArchiveMessage->set_filepath(m_filePath);
        pFileArchiveMessage->mutable_matrixfile()->CopyFrom(*m_matrixFile.to_protobuf());
        pFileArchiveMessage->mutable_miscinfofile()->CopyFrom(*m_miscInfoFile.to_protobuf());
        pFileArchiveMessage->mutable_standardfontsfile()->CopyFrom(*m_standardFontsFile.to_protobuf());
        pFileArchiveMessage->mutable_miscattrlistfile()->CopyFrom(*m_miscAttrListFile.to_protobuf());
        
        for (const auto& kvStepDirectoryRecord : m_stepsByName)
        {
            (*pFileArchiveMessage->mutable_stepsbyname())[kvStepDirectoryRecord.first] = *kvStepDirectoryRecord.second->to_protobuf();
        }
 
        for (const auto& kvSymbolsDirectory : m_symbolsDirectoriesByName)
        {
            (*pFileArchiveMessage->mutable_symbolsdirectoriesbyname())[kvSymbolsDirectory.first] = *kvSymbolsDirectory.second->to_protobuf();
        }
 
        return pFileArchiveMessage;
    }
 
    void FileArchive::from_protobuf(const Protobuf::FileArchive& message)
    {
        m_productName = message.productname();
        m_filename = message.filename();
        //m_filePath = message.filepath();
        m_matrixFile.from_protobuf(message.matrixfile());
        m_miscInfoFile.from_protobuf(message.miscinfofile());
        m_standardFontsFile.from_protobuf(message.standardfontsfile());
        m_miscAttrListFile.from_protobuf(message.miscattrlistfile());
 
        for (const auto& kvStepDirectoryRecord : message.stepsbyname())
        {
            auto pStepDirectory = std::make_shared<StepDirectory>("");
            pStepDirectory->from_protobuf(kvStepDirectoryRecord.second);
            m_stepsByName[kvStepDirectoryRecord.first] = pStepDirectory;
        }
 
        for (const auto& kvSymbolsDirectory : message.symbolsdirectoriesbyname())
        {
            auto pSymbolsDirectory = std::make_shared<SymbolsDirectory>("");
            pSymbolsDirectory->from_protobuf(kvSymbolsDirectory.second);
            m_symbolsDirectoriesByName[kvSymbolsDirectory.first] = pSymbolsDirectory;
        }
    }
 
    bool FileArchive::ParseDesignDirectory(const path& path)
    {
        if (!exists(path)) return false;
        else if (!is_directory(path)) return false;
 
        m_productName = path.stem().string();
 
        if (! ParseStepDirectories(path)) return false;
        if (! ParseMiscInfoFile(path)) return false;
        if (! ParseMatrixFile(path)) return false;
        if (! ParseStandardFontsFile(path)) return false;
        if (! ParseSymbolsDirectories(path)) return false;
        if (! ParseMiscAttrListFile(path)) return false;
 
        return true;
    }
 
    bool FileArchive::ParseStepDirectories(const path& path)
    {
        loginfo("Parsing steps...");
 
        auto stepsPath = path / "steps";
        for (auto& d : directory_iterator(stepsPath))
        {
            if (is_directory(d))
            {
                auto pStep = std::make_shared<StepDirectory>(d.path());
                if (pStep->Parse())
                {
                    m_stepsByName[pStep->GetName()] = pStep;
                }
                else
                {
                    logwarn("Failed to parse step: " + pStep->GetName());
                    //return false;
                }
            }
        }
 
        loginfo("Parsing steps complete");
 
        return true;
    }
 
    bool FileArchive::ParseMiscInfoFile(const path& path)
    {
        loginfo("Parsing misc/info file...");
 
        auto miscDirectory = path / "misc";
        if (!exists(miscDirectory)) return false;
        if (!is_directory(miscDirectory)) return false;
 
        if (!m_miscInfoFile.Parse(miscDirectory)) return false;
 
        loginfo("Parsing misc/info file complete");
 
        return true;
    }
 
    bool FileArchive::ParseMiscAttrListFile(const path& path)
    {
        loginfo("Parsing misc/attrlist file...");
 
        auto miscDirectory = path / "misc";
        if (!exists(miscDirectory)) return false;
        if (!is_directory(miscDirectory)) return false;
 
        if (!m_miscAttrListFile.Parse(miscDirectory)) return false;
 
        loginfo("Parsing misc/attrlist file complete");
 
        return true;
    }
 
    bool FileArchive::ParseMatrixFile(const path& path)
    {
        loginfo("Parsing matrix/matrix file...");
 
        auto matrixDir = path / "matrix";
        if (!exists(matrixDir)) return false;
        if (!is_directory(matrixDir)) return false;
 
        if (!m_matrixFile.Parse(matrixDir)) return false;
 
        loginfo("Parsing matrix/matrix file complete");
 
        return true;
    }
    bool FileArchive::ParseStandardFontsFile(const path& path)
    {
        loginfo("Parsing fonts/standard file...");
 
        auto fontsDir = path / "fonts";
        if (!exists(fontsDir)) return false;
        if (!is_directory(fontsDir)) return false;
 
        if (!m_standardFontsFile.Parse(fontsDir)) return false;
 
        loginfo("Parsing fonts/standard file complete");
 
        return true;
    }
 
    bool FileArchive::ParseSymbolsDirectories(const path& path)
    {
        loginfo("Parsing symbols root directory...");
 
        auto symbolsDirectory = path / "symbols";
 
        if (!exists(symbolsDirectory))
        {
            logwarn("symbols root directory does not exist (" + symbolsDirectory.string() + ")");
            return true;
        }
        else if (!is_directory(symbolsDirectory))
        {
            logerror("symbols root directory exists but is a regular file/not a directory (" + symbolsDirectory.string() + ")");
            return false;
        }
 
        for (auto& d : directory_iterator(symbolsDirectory))
        {
            if (is_directory(d))
            {
                auto pSymbolsDirectory = std::make_shared<SymbolsDirectory>(d.path());
                if (pSymbolsDirectory->Parse())
                {
                    //loginfo("Parsing symbols directory: " + pSymbolsDirectory->GetName() + " complete");
 
                    m_symbolsDirectoriesByName[pSymbolsDirectory->GetName()] = pSymbolsDirectory;
                }
                else
                {
                    logerror("Parsing symbol directory: " + pSymbolsDirectory->GetName() + " failed");
                    return false;
                }
            }
        }
 
        loginfo("Parsing symbols root directory complete");
 
        return true;
    }   
 
    const MiscInfoFile &FileArchive::GetMiscInfoFile() const
    {
        return m_miscInfoFile;
    }
 
    const MatrixFile& FileArchive::GetMatrixFile() const
    {
        return m_matrixFile;
    }
 
    const StandardFontsFile& FileArchive::GetStandardFontsFile() const
    {
        return m_standardFontsFile;
    }
 
    const AttrListFile& FileArchive::GetMiscAttrListFile() const
    {
        return m_miscAttrListFile;
    }
 
    std::shared_ptr<StepDirectory> FileArchive::GetStepDirectory(const std::string& stepName /*= ""*/) const
    {
        std::shared_ptr<FileModel::Design::StepDirectory> pStepDirectory;
 
        const auto& steps = GetStepsByName();
        if (!steps.empty())
        {
            if (stepName.empty())
            {
                // return first step
                pStepDirectory = steps.begin()->second;
            }
            else
            {
                auto findIt = steps.find(stepName);
                if (findIt != steps.end())
                {
                    pStepDirectory = findIt->second;
                }
            }
        }       
 
        return pStepDirectory;
    }
}